Sheet metal roof



June 20, 1933.

R. A. WORKMAN SHEET METAL ROOF m a 1. s g M Filed Nov. 1, 1929 Patented June 20, 1933 PATENT OFFICE- ROSS .A. WORKMAN, OF TULSA, OKLAHOMA SHEET METAL ROOF Application filed November 1, 1929. Serial No. 404,156.

The present invention relates to sheet metal roofs, and aims to provide a roof composed of sheet metal elements having novel means to engage one another for attaching the elements together and prevent ing leakage between them.

The improvements may be embodied in imitation tile or shingles composed of sheet metal, or may be embodied in roofing sec- 1 tions composed of corrugated sheet metal,

and have other similar uses.

With the foregoing and other objects in view, which will be apparent as the description proceeds, the invention resides in the construction and arrangement of parts, as hereinafter described and claimed, it being understood that changes can be made within the scope of what is claimed, without departing from the spirit of the invention.

The invention is illustrated in the accompanying drawing, wherein- Figure 1 is a fragmentary plan view of the sheet metal roof embodying imitation tile composed of sheet metal, portions be- 'ing broken away and shown in section.

Figs. 2 and 3 are sectional views on the respective lines 22 and 3-3 of Fig. 1.

Fig. 4 is a perspective view of one of the imitation tiles.

Fig. 5 is a butt end view of imitation shingles of sheet metal embodying the improvements, portions being broken away and shown in section.

Fig. 6 is a sectional view illustrating the improvements embodied in corrugated sheet metal roofing.

As shown in Figs. 1, 2, 3 and 4 the invention is embodied in a sheet metal roof composed of imitation tiles made from sheet metal. Each tile or roof element is constructed from sheet metal, and has the longitudinal arched portion 1 giving the tile appearance. The roof element has the flat broad portion 2 at one side whose free edge is bent upwardly to form a hook 3, and the roof element has the narrower fiat portion 4 at the opposite side of the arched portion 1.

From the portion 4 an upwardly curved portion 5 extends behind or below the corresponding side of the arched portion 1,

The hook 3 of one roof element is readily introduced through the slot 7 of the coinpanion roof element, with said elements at an obtuse angle to one another, and when said elements are swung into substantially U the same plane, the hook or portion 3 rides along the portion 5 and comes into abutment with the portion 6 at the uncture of the portions 5 and 6, thereby providing a tight fit, and the portion 6 may yield if necessary.

The portion 6 is spaced from the portion 5 and is so arranged that it is spaced from the portions 2 and 3 excepting along the edge of the portion 3 where it abuts the portion 6 immediately adjacent to the juncture between the portions 5 and 6. Water may 5 thus flow along the portions 2 and 3 without being raised by capillary action between the portions 3 and 6.

The portion 4 over which the portion 2 of a companion roof element or tile extends, has an upstanding longitudinal rib 8 on which the portion 2 seats, to provide a tight line of contact between said portions 2 and 4. The contact of the portion or hook 3 with the portion 6 will prevent moisture from escaping downwardly between the roof elements, and the contact of the portion 2 with the rib 8 will provide additional assurance against leakage. Moreover, any moisture flowing down the portion 5 will run along the rib 8 to be discharged from the lower end of the element or tile.

The portion 4 has one or more nail holes 9 through which one or more nails 10 or other securing elements are driven into the boards underneath.

The arched portion 1 has a downturned or inturned flange 11 at its lower end, and the portions 2 and 4 also preferably have downturned flanges 12 and 13 integral withtween the portions la and 611.

the flange 11, to give the root element the appearance of the lower thick end of a tile. The portion 4 may also have a longitudinal flange 14 along its edge to stiilen said portion.

The roof elements or tiles of each course are overlapped, and the elements of the successive courses are also overlapped similar to roof tiles as usually laid, the lower ends of each course of roof elements overlapping the upper end portions of the-next course below.

The flange 11 of each root element preferably has a downwardly extending lip 15 to fit snugly over the arched portion 1 of the next lower element.

Fig. 5 illustrates the improvei'nents. em-' bodied in sheet metal shingles having the top portions 1a with the downwardly oil'set portions 2% and x-la. The portions 2a and the hooks or curved portions fit the curved portions and abut the doubled portions 6a similar to the construction above described, there being a slot Tabe- The rib 8a, as shown, is so arrange-alas to be engaged by the bend between the portion 2a and the 7 body of the shingle, to provide a wedging contact.

The top portions 164 have the depending flanges llaatthe-ir lower ends to constitute the butt ends of the shingles. The shingles are laid similar to the tile or roof elements above described, the portion 3w being inserted through the slots and the shingles swung downwardly into place in succession. The portions 4a are secured on the boards underneath by nails 10a or other securing elements.

Fig. 6 illustrates the improvements embodied in a corrugated sheet metal roof having the corrugated sections 1?) provided with the portions 26 and 4b adapted to overlap, the portions 26 having the upwardly curved portions 36 to fit the curved portions 56 and abut the doubled portions 6?) in the manner hereinbefore described, the portion at? having the upstruck rib S?) on which the portion 2b seats, similar to the portions 2 and 8 above described. The portion 4L7) is secured on the board underneath by a nail 10?).

In each embodiment of the invention each roof element is provided along one edge with a slot leading to a cavity between the doubled resilient portion overhanging the slot 7 and the upwardly curved portion, for receiving the upwardly curved edge portion of the companion root element to provide a tight oint whlch is concealed from view and which will give assurance against leakage.

Having thus described the invention, what is claimed as new is:

A sheet metal root element to be assem-r bled with other similar roof elements, having an edge portion, a doubled-resilient po curved portions, the first named portion of the root element having an upstruck rib for the contact of a companion root element when the upwardly curved edge portion of said companioni'oof element is positioned between the doubled and upwardly. curved portions, the oubled portion beingspaced from and so arranged with reference to the upwardly curved portion that the upwardly curved edge portion of the companion roof element is disposedbetwcen them from said doubled portionexcepting at the edge which in abutment with saiddoubled portion,

and fastening. elements. for; securing said metal roof elements in place, said fastening elements being disposed outwar tlly of ,said upstruck rib.

In testimony whereof hereunto my signature.

Ross'A. woi ntnirn. 

